Editing Cropmark (section)

{{short description|Means through which sub-surface features can be visible from the air}}
{{Other uses|Crop mark (disambiguation){{!}}Crop mark}}
[[Image:Grezac.jpg|thumb|300px|right|Cropmarks at a [[protohistoric]] site at [[Grézac]], France]]

'''Cropmarks''' or '''crop marks''' are a means through which sub-surface [[archaeological]], natural and recent features may be visible [[aerial archaeology|from the air]] or a vantage point on higher ground or a temporary platform. Such marks, along with parch marks,<ref>{{cite web| url=http://www.armadale.org.uk/rufford.htm#red| archive-url=https://web.archive.org/web/20181215122326/http://www.armadale.org.uk/rufford.htm#red| url-status=dead| archive-date=2018-12-15|title=Parch marks at Rufford Abbey (Near infra-red KAP) |access-date=2012-12-05}}</ref> [[soil mark]]s and frost marks, can reveal buried man-made structures that are not visible from the ground.